Doppler mapping of the SS Cyg system during outburst

Details Doppler mapping of the SS Cyg system during outburst Doppler mapping of the SS Cyg system during outburst

Nov 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009arep...53.1004b&link_type=abstract

Astronomy Reports, Volume 53, Issue 11, pp.1004-1012

Astronomy and Astrophysics

Astronomy

1

Spectroscopic Binaries, Close Binaries, X-Ray Binaries, Accretion And Accretion Disks, Circumstellar Shells, Clouds, And Expanding Envelopes, Circumstellar Masers, Visible

Scientific paper

Spectral observations of the SS Cyg system in its active state are used to construct H β and H γ Doppler tomograms. These are compared with analogous tomograms for the quiescent state and synthetic tomograms derived from the results of three-dimensional gas-dynamical modeling. The parameters of the accretion disk during the outburst are estimated. An explanation for the observed flow pattern is proposed, based on a numerical model with an elliptical accretion disk.

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